The Holbrook Explorer

A note from Dr.

This year, Pi Day history will be made. March 14, 2015 is a day that mathematicians all over the world have been waiting for, and it is finally here.

Alvero Cubero Vega's photo of a caracolera snake has been named one of ten finalists in the "Natural World" category of Smithsonian's annual photography contest.

In late 2014, Ann and Rob Simpson joined a group traveling to Patagonia, and returned with these incredible photos! You can join Ann and Rob in Patagonia this December.

Millions of monarch butterflies in El Rosario Monarch Site, Angangueo, Michoacan, Mexico by Jade Aster Badon during the recent Expedition Travel trip this February.

At the Savegre Mountain Lodge, a pair of Resplendent Quetzals was nesting on the hotel grounds just a short walk from our cabin. The birds took turns excavating a nest hole in a tree.